Recent turbo build on my 99 ws6 got twin derale fans had to go with higher amp alternator and wire the fan to different relays then stock but using the green trigger wire to pcm but check engine light come on when fans come on anybody have a quick fix for this ? Any suggestions would be very appreciated. Thank you

 

Whats the code being thrown?

 

Yes it's not reading the fans we wired to new relays and running the same green trigger wire to pcm

 

Pretty good question here.

 

....which the OP totally ignored.

 

Didn't ignore don't have the code # at this time have to rescan it at my builders shop but he said not reading the fans after switching to new relays .

 

Hard to help without that code. Have you tried the blue trigger wire?

 

Codes need to be shut off in the tune